单项选择题
A. RouterA(config)#ip cef
B. RouterA(config)#ip route 192.168.12.0 255.255.255.252 null 0
C. RouterA(config - router)#ebgp multihop 1
D. RouterA(config - router)#re distribute ospf 1
E. RouterA(config - router)#neighbor 192.168.14.253 next - hop - self
F. RouterA(config - router)#neighbor 192.168.14.253 local - as 65500
单项选择题 RouterA#debug ip ospf events OSPF events debugging is on RouterA# 04:43:16: OSPF: Rcv pkt from 10.3.0.2, Ethernet0/1, area 0.0.0.1 mismatch area 0.0.0.2 in the header 04:43:19: OSPF: Rcv hello from 10.100.100.3 area 0 from Ethernet0/0 10.1.0.1 04:43:19: OSPF: End of hello processing Refer to the exhibits. What can be done to fix the problem?（）
单项选择题 Refer to the exhibit. Router C was configured so that it could form an adja cency with three OSPF neighbors, one connected to each of its three physical interfaces. Which statement is correct about router C?（）
多项选择题 To make OSPF area 4 totally stubby, the following command was issued on the ABR in router configuration mode: area 4 stub.Which two things need to be done to finish making area 4 a totally stubby area?（）
